To amend title 5, United States Code, to extend the authority under which comparability allowances may be paid to Government physicians, and for other purposes.

Amends Federal law concerning Government organization and employees to extend through September 30, 2002, the authority under which comparability allowances may be paid to Government physicians under service agreements.

Increases the maximum annual comparability allowance payable under a service agreement to a Government physician who has served as such a physician for more than 24 months. Allows for the modification of existing service agreements based on the increase with respect to any period of service remaining in such agreements.

Redefines "basic pay" to include physicians comparability allowances as part of basic pay for retirement purposes.